81362675 has 12 divisors (see below), whose sum is σ = 101227896. Its totient is φ = 64872000.

The previous prime is 81362669. The next prime is 81362689. The reversal of 81362675 is 57626318.

It is not a de Polignac number, because 81362675 - 2¹² = 81358579 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2375 + ... + 12975.

It is an arithmetic number, because the mean of its divisors is an integer number (8435658).

Almost surely, 2^81362675 is an apocalyptic number.

81362675 is a deficient number, since it is larger than the sum of its proper divisors (19865221).

81362675 is a wasteful number, since it uses less digits than its factorization.

81362675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10918 (or 10913 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 81362675 is about 9020.1261077659. The cubic root of 81362675 is about 433.3196724819.

The spelling of 81362675 in words is "eighty-one million, three hundred sixty-two thousand, six hundred seventy-five".